On Fri, Jun 15, 2007 at 10:35:16AM +0800, Jackey Cheung wrote:
> There's a map here: 
> http://202.69.84.201/?lat=22.31594&lon=114.16535&zoom=19&layers=BTTTT
> 
> As you can see on the map, there are some "bands" of missing tiles. Tilecache 
> report that it can't calculate the index of these tiles, and these tiles are 
> missed only in this zoom level.
> 
> Does anyone has any idea of this?

Bug in TileCache.

threshold = 0.001

Is not the right setting.

If you take this to the TileCache list, I'll help fix it further from
there: http://openlayers.org/mailman/listinfo/tilecache . I can't fix it
tonight, but I've known about it for al ong time, just been too lazy to
fix. 

Regards,
-- 
Christopher Schmidt
MetaCarta
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